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The Bully Dog GT so far, has done everything I have wanted...increased horsepower, increased gas mileage...improved throttle response...and adjusted the transmission to a firmer shift...I love this product!!!!!
Verified purchase: Yes | Condition: New
The hardest part of this product is locating a spare fuse socket that will fit after installing the extension. It becomes thick! Otherwise, if followed as directed, everything works as advertised. I didn’t noticed any gas saving at my semi-conservative settings. I just change three settings: medium gas pedal sensitivity, performance, and throttle opening. Too bad, this particular model cannot be adjusted on demand.
Verified purchase: Yes | Condition: Pre-owned
I purchased this tuner for my 2008 toyota tundra 5.7 specifically to recalibrate the speedometer as I bought the truck with larger tires (35") which makes the speedometer read slower than it actually is. The description for the tuner states it can calibrate speedometer for tire size, but for the tundra it cannot. I flashed the performance tune and run 91 octane and definitely felt a difference in power. Not only is power delivery smoother the truck doesn't seem to have to work as hard to get up to speed. Current mods on the truck are drop in k&n filter, stock air box mod and a Catback exhaust. I've noticed a slight mpg improvement (.5mpg), I'm betting I can get better if I stay out of the throttle. Flashing tunes is time consuming and tedious.. need to hook up a battery charger with at least 10amp every time... this gets annoying quick... I haven't tried the economy or tow/haul tune as it takes too long to flash back and forth that I've just left the performance tune on the truck for now before the next road trip I plan to flash the economy tune to see if I gain any highway mpg. For the 400$ I spent on the tuner I'm not sure if I would purchase it again.Read full review
Verified purchase: Yes | Condition: New
A lot of features to use, easy to use , gives you more power and better gas mileage
Verified purchase: Yes | Condition: New
I was expecting more out of it but i guess since its not a custom tune just a can tune its normal. It improves your shift point noticeably as well as the mpgs. Its nice that you can adjust for bigger tires and higher gear ratios
Verified purchase: Yes | Condition: New